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1# REQUIRES: x862# RUN: rm -rf %t; split-file %s %t3 4# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/foo.o %t/foo.s5# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/main.o %t/main.s6 7# RUN: %lld -alias _foo _bar -u _bar -exported_symbol _bar %t/main.o %t/foo.o -o %t/bar.o8# RUN: llvm-nm %t/bar.o | FileCheck %s --check-prefix=BAR9 10# BAR: [[#%x,FOO_ADDR:]] T _bar11# BAR: [[#FOO_ADDR]] t _foo12 13# RUN: not %lld -alias _missing _bar -alias _missing2 _baz %t/main.o -o %t/missing.o %s 2>&1 | FileCheck %s --check-prefix=MISSING14 15# MISSING-DAG: undefined base symbol '_missing' for alias '_bar'16# MISSING-DAG: undefined base symbol '_missing2' for alias '_baz'17 18# RUN: %lld -alias _foo _main %t/foo.o -o %t/main_rename.o19# RUN: llvm-nm %t/main_rename.o | FileCheck %s --check-prefix=MAIN20 21# MAIN: [[#%x,FOO_ADDR:]] T _foo22# MAIN: [[#FOO_ADDR]] T _main23 24## Verify dead stripping doesn't remove the aliased symbol. This behavior differs25## from ld64 where it actually does dead strip only the alias, not the original symbol.26# RUN: %lld -dead_strip -alias _foo _bar -alias _main _fake_main %t/main.o %t/foo.o -o %t/multiple.o27# RUN: llvm-nm %t/multiple.o | FileCheck %s --check-prefix=MULTIPLE28 29# MULTIPLE: [[#%x,FOO_ADDR:]] T _bar30# MULTIPLE: [[#%x,MAIN_ADDR:]] T _fake_main31# MULTIPLE: [[#FOO_ADDR]] T _foo32# MULTIPLE: [[#MAIN_ADDR]] T _main33 34#--- foo.s35.subsections_via_symbols36.globl _foo37_foo:38 ret39 40#--- main.s41.subsections_via_symbols42.globl _main43_main:44 ret45